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Evolution of vortex rings after the collapse of ultrasound bubbles in superfluids

Lookup NU author(s): Professor Carlo Barenghi

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Abstract

Collapse of ultrasound bubbles in superfluids leads to the nucleation of vortex rings. Using the Gross-Pilaevskii equation for a uniform condensate we elucidate the various stages of the vortex formation and establish conditions necessary for the vortex nucleation after collapse of an oblate moving bubble. In the case of a stationary spherically symmetrical bubble we calculate the vortex line length as a function of time after collapse. © 2005 Springer Science+Business Media, Inc.

Publication metadata

Author(s): Berloff NG, Barenghi CF

Publication type: Article

Publication status: Published

Journal: Journal of Low Temperature Physics

Year: 2005

Volume: 138

Issue: 3-4

Pages: 481-486

ISSN (print): 0022-2291

ISSN (electronic): 1573-7357

Publisher: Springer New York LLC

URL: http://dx.doi.org/10.1007/s10909-005-2237-8

DOI: 10.1007/s10909-005-2237-8

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